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I can’t find my English book. I must ___ it at home this morning.
#88936
A
forget
B
leave
C
have forgotten
D
have left
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It has been announced that candidates _______ remain in their seats until all the papers have been collected.
#89405
A
can
B
will
C
may
D
shall
But for the snow,  we       earlier.
#87073
A
will arrive
B
would arrive
C
could arrive
D
should have arrive
----This is for you. ----You____have!I do not know how to thank you.
#87113
A
must not
B
couldn´t
C
needn’t
D
shouldn’t
 There was something wrong with the network, or the e­mail ________ earlier.
#86491
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
#90144
A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to